情态动词+have_done的用法
情态动词have_done
情态动词+have+done是历年高考的重点和难点之一，现将其用法总结归纳如下：一、must+have+done表示对过去事情的肯定推测,译成“一定做过某事”,该结构只用于肯定句.1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的2. You must have been mad to speak to the servant.你和仆人说话,一定是发疯了二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2.Mary can't have stolen your money. She has gone home.玛丽不可能偷你的钱,她回家去了三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1.There is no light in the room. Can they have gone out?屋里没有灯,他们可能出去了吗?2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、could+have+done’是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做.He could have passed the exam, but he was too careless.本来他能通过考试，但他太粗心五、“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
情态动词have done的用法
? 2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家 去了。
? 2. She might have achieved greater progress, if you had given her more chances. 如果你多给她 点机会，她可能已经取得更大的成绩。
七、 “would have done”
? 虚拟语气，表示对过去事情的假设，意思 是“本来会做”。
? I needn‘t have bought so much wine—only five people came. 我本来没有必要买这么多酒，只来 了五个人。
? He need have hurried to the station. In that case, be wouldn't have missed the train. 他本来需要快 点去车站，那样的话，他就不会误了火车。
八、 “should have done” 本来应该做某事，而实际没做
? 否定式为“ shouldn‘t have done”表示本来不应 该做某事，而实际做了。含有指责对方或自责的 含意。
?
? 1. Tom, you are too lazy. The work should have been finished yesterday. 汤姆，你太懒惰了，这 项工作本来应该昨天就做完的。
? 2.பைடு நூலகம்Look, Tom is crying. I shouldn't have been so harsh on him. 看，汤姆哭了，我本来不应该对他 如此严厉。
情态动词加have done的用法
四、 “may+have+done”
• 表示对发生过的事情的推测，意思是“可 能已经”或“也许已经”，用于肯定句中。 • • • • —What has happened to George? —I don't know. He may have got lost. —乔治发生了什么事？ ——我不知道，他可能迷路了。
一、 “must+have+done”
• 表示对过去事情的肯定推测，译成“一定 做过某事”，该结构只用于肯定句。 • 1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面 还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
八、 “should+have+done”
• 意思是“本来应该做某事，而实际没做。” “shouldn‘t+have+done”表示本来不应该做某 事，而实际做了。含有指责对方或自责的含意。 • • 1. Tom, you are too lazy. The work should have been finished yesterday. 汤姆，你太懒惰了，这 项工作本来应该昨天就做完的。 • 2. Look, Tom is crying. I shouldn't have been so harsh on him. 看，汤姆哭了，我本来不应该对他 如此严厉。
九、 “ought to+have+done”
• 表示过去应该做而实际并没有做，译成 “理应做……”，往往表示遗憾。与 “should+have+done”用法基本一样。
情态动词+have done的构成及用法含译文
情态动词+have done的构成及用法含译文1.情态动词+have done的构成may/might have done可能已经发生了某事could have done本能够做某事can't/couldn’t have done不可能已经发生了某事must have done一定已经发生了某事would have done本来会做某事should/ought to have done本应该做某事但没有做shouldn't/oughtn't to have done本不应该做某事但做了need have done本需要做某事但没有做needn't have done 本不需要做某事但做了2.情态动词+have done的用法情态动词+have done的用法主要包括两个方面：一.表示对过去所发生事情的推测或假设；二.表示对过去所发生事情的责备或遗憾。
①may/might have done可能已经发生了某事。
对过去所发生动作的不太肯定的推测。
用于肯定句中，may和might意思相同，但might 可能性更小，多用于虚拟语气中。
By expressing love for his children in such a special way, Tolkien may indeed have been the real Father Christmas. 通过这种特别的方式表达对孩子们的爱，托尔金可能真的是真正的圣诞老人。
（新外研版必修二）You can check his office. He might have been there already. 你可以去他的办公室看看。
他可能已经到那儿了。
If he had been given more encouragement, he might have made greater progress. 如果给他更多的鼓励，他可能会取得更大的进步。
情态动词+have done
情态动词+have done 表示一种悔恨、可惜、惋惜等等。
1. But scientists may have found a way to help with this trouble.•情态动词+have+done1）must+have+done肯定/一定做过某事（肯定推测）•It must have rained last night, because the ground is wet.•You must have been mad to speak to Colin.【翻译】何红宇肯定已经去打篮球了。
因为班上的篮球不在了。
2）can‟t+have+done不可能做过某事（肯定推测）•Mr. Smith can't have gone to Beijing because I saw him in the library just now.•Mary can't have stolen your money. She’s not that type of person.【翻译】徐子凌昨天不可能借钱给你，因为她知道你从来都有借不还。
3）can+have+done？可能做过……吗？（表示推测可能性）•Where can they have gone?【翻译】谁有可能刚才偷了我的自行车呢？我仅仅去取了100块钱而已。
取钱：withdraw 4）may+have+done可能已经做（而实际未做）may not +have+done可能没有做（而实际上做了）• —What has happened to George?• —I don't know. He may have gotten lost.【翻译】谢永其老师昨天可能生病了。
他昨天一天都没有在学校。
5）might+have+done 本可能已经做了（而实际上未做）might not+have+done 本可能没有做（而实际上做了）提示：might与may意思相同，但可能性更小。
情态动词+have-done用法
情态动词＋have done (have been doing )一、教学目标情态动词＋have done (have been doing ) 的用法二、生成问题情态动词+have done (have been doing ) 的用法有哪些1、should(ought to)＋have done (have been doing )表示“本来应该做而实际上没做”，其否定式表示“本来不该做却做了”，常含有责备的语气。
You should have been here five minutes ago.五分钟之前你就应该到这里了。
How I regretted the days when I had played and should have studied.我多么懊悔我本应该好好学习的日子都玩掉了。
We shouldn’t have been resting so long.我们真不该休息这么长时间。
2、《3、could＋have done表示“本来有能力做而实际上没有做”。
—We could have walked to the station, it was so near.这么近，我们完全能走着来车站。
—Yes. A taxi was not at all necessary.是呀，根本不必搭车的。
I could have won if I hadn’t fallen over.要不是摔倒，我准能赢。
3、needn’t＋have done表示“本来不必做的事，实际上做过了”。
I got up early, but needn’t have done so, because I had nothing to do that morning.那天早上我起得很早，可我根本不必起这么早，因为我无事可做。
You needn’t have written such a long article. The teacher only asked for 300 words, and you have written 600 words.你没有必要写这么长的文章，老师只要求写300字，你写了600字。
情态动词+have done用法详解
情态动词+have done的用法讲解情态动词+have+done是历年高考的重点和难点之一，现将其用法总结归纳如下：一、“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心。
五、“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
情态动词+have done用法讲解
1. would have done用于虚拟语气，表示对过去可能发生的情 况进行推测，意为“本来会做” He would have helped me, but he was so busy. 2. need have done 表示“本来需要做某事，但事实上没有做” needn’t have done 则表示“本来不需要做某事，而实际上做了 We need have hurried to school. In that case, we wouldn’t have been late for the class. I needn’t have cooked so many cakes; only two children came.
3. should have done 表示“本来应该做某事，二十几上没有做” shouldn’t have done 则表示“本来不应该做某事，而实际上做 了”，含有职责对法或自责之意。 The essay should have been finished last week, but I forgot it. Tom is crying ; I shouldn’t have been so harsh on him. 4. might have done 表示使对过去情况把握性不大的推测，意为 “可能坐过…”或表示说话人因某人没做某事而不满，意为 “本应该做…” He might have won the race, if you had been backing him. 5. must have done 表示对过去情况的肯定推测，意为“一定做过 某事”，该结构只用于肯定句 It must have rained last night, for the ground is wet.
“情态动词have-done”重点讲解
03
have-done的句型结构
have done句型
表示现在完成时，强调动作已经完成 但对现在有影响。
时态：现在时间点之前完成的动作。
用法：have done + 过去分词，例如： I have finished my homework.
had done句型
表示过去完成时，强调动作在过 去的某个时间之前已经完成。
定义
表示过去的某个时间点，某个动作已经完成或发生 的动作。
表示过去的某个时间点，某个动作已经完成或发生 的动作，并且强调这个动作对现在的影响。
表示过去的某个时间点，某个动作已经完成或发生 ，并且强调这个动作对未来的影响。
用法分类
02
01
03
表示过去的某个时间点，某个动作已经完成或发生， 并且强调这个动作对现在的影响。
3. I _____ (see) the film twice, so I don't want to see it again. (用适当的形式填空)
答案：have been working 答案：has finished 答案：have seen
翻译题练习
1. 我已经完成了我的论文，现
在可以放松一下了。
时态：将来时间点之前完成的动作。
04
have-done的语境与语义
表示经验
用于描述个人或团体过去所经历的事件或状态，强调经验或经历 。
例如：I have been to the Great Wall before. (我之前去过长城 。)
表示结果
01
强调某个动作或行为所产生的结 果或影响。
02
A. has taken B. has lifted C. has been taking D. has been lifting
情态动词+havedone用法总结
情态动词+ have done的用法总结一、“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心。
五、“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
情态动词+have done
情态动词+have+done是历年高考的重点和难点之一，现将其用法总结归纳如下：一、“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心。
五、“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
高中-虚拟语气——情态动词+have-done用法、练习和答案
情态动词+have done用法及练习1.must have done 表示对过去或已经发生的行为或状态进行确有把握的推测，意为“肯定做了某事”；只能用在陈述句的肯定句中。
It must have rained last night, for the road is wet.The lights were out. They must have been asleep.2.can’t/couldn’t have done sth.表示对过去或已经发生的行为或状态进行确有把的推意为“不可能做了某事”；只能用在陈述句的否定句中。
He was with me last night. He can’t/ couldn’t have gone to the theatre.I saw Mr. Wang just now. He couldn’t have gone to Beijing.Can/Could …have done sth?表示对过去或已经发生的行为或状态的怀疑.意为“可能已经…吗？”。
用在疑问句中。
He didn’t attend his sister’s birthd ay party. Can/Could he have forgotten it?3.could have done sth.用于陈述句的肯定句中时是虚拟语气，表示没有实现的可能性，意为“本来可以做，可能已经做”。
有一种对过去为付诸实施的事情的惋惜。
用于肯定句中You could have done better, but you were too careless.3.may/might（not）have done sth表示对过去或已经发生的行为或状态进行推测意为“可能(没有)做了某事；只能用在陈述句的肯定和否定句中。
It’s too late. I think he may have gone to bed. He might not have finished the work.5.Should/ought to have done sth表示“本应该做…”而实际上没做Should/ought not to have done sth. 表示“本不应该做”而实际上做了You should have come to the meeting earlier. You ought to have done this exercise .You shouldn’t have told her the truth. He ought not to have treated his parents like that.6.needn’t have done sth.表示做了“本来不必做的事didn’t need to do 表示“没有必要做而实际上也没有做的事“You needn’t have taken a taxi here, for it was very ne ar to my house.I didn’t need to clean the windows. My brother did it.7.had better have done sth.用于事后的建议，含轻微的责备的口吻，意为“当时最好做了某事“，其否定形式had better not have done sth 表达相反的含义。
情态动词+have done
情态动词+have+done是历年高考的重点和难点之一，现将其用法总结归纳如下： 一、 “must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet.昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、 “can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、 “can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out?屋里没有灯，他们可能出去了吗？ 2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？ 四、 “could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
He could have passed the exam, but he was too careless.本来他能够通过考试，但是他太粗心。
五、 “may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
情态动词加have+done的用法
情态动词加have+done的用法“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
情态动词+have+done用法一、“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
情态动词havedone的意思及用法
情态动词havedone的意思及用法
情态动词'have done'是由情态动词'have'和过去分词'done'构成的，表示完成的动作或状态。
这种情态动词常用于描述已经完成或需要完成的动作，并且在口语和书面语中都被广泛使用。
在英语中，情态动词'have done'可以用于多种语境，例如：
1. 表示完成的动作
例如：I have done my homework.（我完成了我的家庭作业。
）
2. 表示对过去发生的事情的确认或否认
例如：Have you done your presentation yet?（你的演讲做好了吗？）
3. 表示对未来事件的推断
例如：By next year, we will have done a lot to protect the environment.（到明年，我们会采取很多行动来保护环境。
）
4. 表示建议或命令
例如：You should have done a better job on that project.（你应该把那个项目做得更好。
）
总的来说，情态动词'have done'可以用于许多不同的语境，使其成为英语中非常有用的一种语言工具。
当你使用这个动词时，确保你的语境清晰明确，以使你的意思更加清楚。
情态动词+have_done的用法
八. “ought to + have +done”
• 与“should+have+done”用法基本一样。
九、 “need+have+done” 表示本来需要做某事 而没有做。 “needn’t+have+done”则表示“本来不需要做 某事而做了”。 • I needn’t have bought so much wine—only five people came. • 我本来没有必要买这么多酒，只来了五个人。
D. must have stayed
例5． Sorry , I’m late. I ____ have turned off the alarm clock and gone back to sleep again. A. might B . should C. can D. will
例6． Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later. A．had said B. said
例8． Oh, I’m not feeling well in the stomach. I ____ so much fried just now. A. shouldn’t eat B. mustn’t have eaten C. shouldn’t have eaten D. mustn’t eaten
四、 “could+have+done”
• 意思 “本来能够做某事而没有做”。
• He could have passed the exam, but he was too careless.
情态动词加have+done的用法
情态动词加have+done的用法“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
情态动词+have+done用法一、“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、“can't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、“can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？四、“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
• 汤姆，你太懒惰了，这项工作本来应该昨天就做 完的。
• 2. Look, Tom is crying. I shouldn't have been so harsh on him.
• Something ___ to him. ( 05江西 • A. must happen • B. should have happened • C. could have happened • D. must have happened
22题 )
• I didn’t hear the phபைடு நூலகம்ne. I ____ asleep. (MET 89)
• A. could B. might C. should • D. must
• 2. He paid for a seat, when he ______ have entered free.
• A. could B. would C. must D. need
• I didn’t see her in the meeting room this morning. She at the meeting .
• 【经典考例1】 The weather turned out to be fine yesterday. I ________ the trouble to carry my umbrella with me. (2006江西)
• A. should have taken B. could have taken • C. needn't have taken D. mustn't have taken
史密斯先生不可能去北京了，我刚才还在图书馆见 过他。
• 2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
三、 “can+have+done”
• 表示对过去行为的怀疑，用于疑问句，译 成“可能做过……吗？”。
• A. must be
B. must have been
• C. should be
D. should have been
• 1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？
• 2. There is nowhere to find them. Where can they have gone?
• 到处找不到他们，他们可能到什么地方去 呢？
• 表示对发生过的事情的推测，意思是“可 能已经”或“也许已经”，用于肯定句中。
• —What has happened to George? • —I don't know. He may have got lost. • —乔治发生了什么事？ • ——我不知道，他可能迷路了。
六、 “might+have+done”
• 表示对过去事情的推测，might与may意思相同， 但可能性更小。多用于虚拟语气结构中。
• 1. He might have given you more help, even though he was busy. (MET90)
• 他或许会多给你一些帮助，即使他很忙。 • 2. She might have achieved greater progress,
• 看，汤姆哭了，我本来不应该对他如此严厉。
九、 “ought to+have+done”
• 表示过去应该做而实际并没有做，译成 “理应做……”，往往表示遗憾。与 “should+have+done”用法基本一样。
I ought to have gone home last Sunday. 我理应上星期日回家。
• 我本来没有必要买这么多酒，只来了五个人。
• He need have hurried to the station. In that case, he wouldn't have missed the train.
• 他本来需要快点去车站，那样的话，他就不会误 了火车。
总结：
• Can/could have done“本来能够做而没做” • Can’t/couldn’t have done “不可能做了…” • May/might have done “可能做过…” • Must have done “肯定做了…” • Should have done “本来应该做…”(实际上没做)
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。
二、 “can't+have+done”
• 表示对过去事情的否定推测，译成“不可能做过 某事”。
• 1. Mr. Smith can‘t have gone to Beijing, for I saw him in the library just now.
B. mustn’t
• C. needn’t D. couldn’t
• I ____ here in time, but I met an old friend of mine. I stopped and talked with him for some time.
• A. shouldn’t have come
• You ought not to have given him more help.
• 你不应该帮助他那么多。
十、 “need+have+done”
• 表示本来需要做某事而没有做。 “needn‘t+have+done”则表示“本来不需要 做某事而做了”
• I needn‘t have bought so much wine—only five people came.
• He is not poor. You ____ have lent him
the money.
• A. can’t
B. needn’t
• C. couldn’t D. mustn’t
• There was plenty of time. You ___
have hurried.
• A. won’t
• 我本来会告诉你这个小男孩的故事，但是 你没有问我。
• 2. Without your help, I wouldn't have achieved so much.
• 没有你的帮助，我是不会取得如此大的成 绩。
八、 “should+have+done”
• 意思是“本来应该做某事，而实际没做。” “shouldn‘t+have+done”表示本来不应该做 某事，而实际做了。含有指责对方或自责的含意。
• A. mustn’t have spoken • B. mightn’t have spoken • C. couldn’t have spoken • D. shouldn’t have spoke
• --- Hi, is that Peter Brown? • ---Sorry. You ______ the wrong number . • A. must dial B. must have dialed • C. should dial D. should have dialed
• B. must have come • C. needn’t have come
• D. could have come
• They ____ have finished the work yesterday, but it was raining hard.
• A. must B. could C. shouldn’t D. might
if you had given her more chances. • 如果你多给她点机会，她可能已经取得更大的成
绩。
七、 “would+have+done”
• 虚拟语气，表示对过去事情的假设，意思 是“本来会…”。
• 1. I would have told you all about the boy's story, but you didn't ask me.
• 【经典考例2】 As you worked late yesterday, you ________ have come this morning. （2006 陕西）
• A. mayn't B. can't • C. mustn't D. needn't
• 1. Harry ______ have won the Physics competition easily yesterday, but he gave up.
• = ought to have done • Shouldn’t have done “本来不应该做…”（实际上
做了）
• =ought not to have done • Need have done “本来需要做…” • Needn’t have done“本来不需要做…” • Would have done“本来会…” • Wouldn’t have done “本来不会…”
“情态动词+have done”的 用法
一、 “must+have+done”
• 表示对过去事情的肯定推测，译成“一定做 过某事”，该结构只用于肯定句。